pivot the act of turning on (or as if on) a pivot; "the golfer went to the driving range to practice his pivot"
pronation rotation of the hands and forearms so that the palms face downward
twirl,
twisting,
whirl,
spin,
twist confused movement; "he was caught up in a whirl of work"; "a commotion of people fought for the exits"
spiral flying downward in a helical path with a large radius
supination rotation of the hands and forearms so that the palms face upward
turn,
twist taking a short walk out and back; "we took a turn in the park"
winding,
wind,
twist the act of winding or twisting; "he put the key in the old clock and gave it a good wind"
rotation -
a single complete turn (axial or orbital); "the plane made three rotations before it crashed"; "the revolution of the earth about the sun takes one year"
rotation -
a planned recurrent sequence (of crops or personnel etc.); "crop rotation makes a balanced demand on the fertility of the soil"; "the manager had only four starting pitchers in his rotation"
rotation -
The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll.
Wikipedia
A rotation is a movement of an object in a circular motion. An object rotates around a center of rotation. A three-dimensional object rotates always around an imaginary line called an axis as the Euler's rotation theorem shows.
OmegaWiki Dictionary
Ω
rotation A transformation which linearly changes the angle between the vector to a point and one of the axes, without changing the distance of the point from the origin.